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-rw-r--r--libjava/classpath/java/awt/Image.java38
1 files changed, 36 insertions, 2 deletions
diff --git a/libjava/classpath/java/awt/Image.java b/libjava/classpath/java/awt/Image.java
index 6ade302a147..8a1cc0f0039 100644
--- a/libjava/classpath/java/awt/Image.java
+++ b/libjava/classpath/java/awt/Image.java
@@ -1,5 +1,5 @@
/* Image.java -- superclass for images
- Copyright (C) 1999, 2002, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2002, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -50,7 +50,7 @@ import java.awt.image.ReplicateScaleFilter;
*
* @author Aaron M. Renn (arenn@urbanophile.com)
* @since 1.0
- * @status updated to 1.4
+ * @status updated to 1.5
*/
public abstract class Image
{
@@ -102,6 +102,12 @@ public abstract class Image
public static final int SCALE_AREA_AVERAGING = 16;
/**
+ * The acceleration priority of the image
+ * @since 1.5
+ */
+ protected float accelerationPriority;
+
+ /**
* A default constructor for subclasses.
*/
public Image()
@@ -205,4 +211,32 @@ public abstract class Image
* includes the actual image data.
*/
public abstract void flush();
+
+ /**
+ * Sets the acceleration priority of the image.
+ * This is a value from 0 (lowest) to 1 (highest), which may
+ * be used as a hint for image acceleration.
+ * E.g. higher priority images may be stored in video memory.
+ * @param priority - the priority
+ * @throws IllegalArgumentException if priority is not >= 0 and <= 1.
+ *
+ * @since 1.5
+ */
+ public void setAccelerationPriority(float priority)
+ {
+ if( priority < 0f || priority > 1f)
+ throw new IllegalArgumentException("Invalid priority value.");
+ accelerationPriority = priority;
+ }
+
+ /**
+ * Returns the acceleration priority of the image.
+ *
+ * @see #setAccelerationPriority(float)
+ * @since 1.5
+ */
+ public float getAccelerationPriority()
+ {
+ return accelerationPriority;
+ }
} // class Image